The second generation of a mighty volcano rises from the sea.

Largest island in the Baltic Sea experiences such idyllic weather that roses bloom in the middle of December.

This trio of stone spires claims to be the only preserved medieval execution site in Europe.

Frequent fliers welcome in this airplane hotel.

Sweden's "good old days" painstakingly re-created in a model village.

Early habitat dioramas and home of the elusive gaff, the skvader.

A 246-foot-high revolving restaurant rises unexpectedly from a forested Finnish hilltop.

These Finnish rapids have been attracting tourists for over a hundred years and are now released with the push of a button.

The church's remarkable frescoes incorporate Finnish artist Hugh Simberg's trademark themes of death and the supernatural.

The last permanent exhibit dedicated to the Soviet leader.

A cathedral resurrected from the ashes of one of Europe's greatest urban fires.

Pigduck of Turku.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

Disused seaplane hangar gets a second life as the jaw-dropping home of Estonia's museum of maritime history.

Crawling into this primordial cave may feel disconcertingly familiar.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

Architecturally stunning library serves as the hub of Finnish scholarly life and culture.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

A subterranean house of worship carved right out of the bedrock.

Finnish lake, and scene of an infamous murder mystery.

An abstract monument to a symphonic composer.